mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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74 lines
3.6 KiB
C++
74 lines
3.6 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere/fs/fs_common.hpp>
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#include <stratosphere/fs/impl/fs_newable.hpp>
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#include <stratosphere/fs/fsa/fs_ifile.hpp>
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#include <stratosphere/fs/fsa/fs_idirectory.hpp>
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#include <stratosphere/fs/fsa/fs_ifilesystem.hpp>
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#include <stratosphere/fs/common/fs_dbm_hierarchical_rom_file_table.hpp>
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namespace ams::fs {
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class RomFsFileSystem : public fsa::IFileSystem, public impl::Newable {
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NON_COPYABLE(RomFsFileSystem);
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public:
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using RomFileTable = HierarchicalRomFileTable;
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private:
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RomFileTable rom_file_table;
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IStorage *base_storage;
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std::unique_ptr<IStorage> unique_storage;
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std::unique_ptr<IStorage> dir_bucket_storage;
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std::unique_ptr<IStorage> dir_entry_storage;
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std::unique_ptr<IStorage> file_bucket_storage;
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std::unique_ptr<IStorage> file_entry_storage;
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s64 entry_size;
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private:
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Result GetFileInfo(RomFileTable::FileInfo *out, const char *path);
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public:
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static Result GetRequiredWorkingMemorySize(size_t *out, IStorage *storage);
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public:
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RomFsFileSystem();
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virtual ~RomFsFileSystem() override;
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Result Initialize(IStorage *base, void *work, size_t work_size, bool use_cache);
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Result Initialize(std::unique_ptr<IStorage>&& base, void *work, size_t work_size, bool use_cache);
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IStorage *GetBaseStorage();
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RomFileTable *GetRomFileTable();
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Result GetFileBaseOffset(s64 *out, const char *path);
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public:
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virtual Result DoCreateFile(const char *path, s64 size, int flags) override;
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virtual Result DoDeleteFile(const char *path) override;
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virtual Result DoCreateDirectory(const char *path) override;
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virtual Result DoDeleteDirectory(const char *path) override;
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virtual Result DoDeleteDirectoryRecursively(const char *path) override;
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virtual Result DoRenameFile(const char *old_path, const char *new_path) override;
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virtual Result DoRenameDirectory(const char *old_path, const char *new_path) override;
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virtual Result DoGetEntryType(fs::DirectoryEntryType *out, const char *path) override;
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virtual Result DoOpenFile(std::unique_ptr<fs::fsa::IFile> *out_file, const char *path, fs::OpenMode mode) override;
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virtual Result DoOpenDirectory(std::unique_ptr<fs::fsa::IDirectory> *out_dir, const char *path, fs::OpenDirectoryMode mode) override;
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virtual Result DoCommit() override;
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virtual Result DoGetFreeSpaceSize(s64 *out, const char *path) override;
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virtual Result DoGetTotalSpaceSize(s64 *out, const char *path) override;
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virtual Result DoCleanDirectoryRecursively(const char *path) override;
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/* These aren't accessible as commands. */
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virtual Result DoCommitProvisionally(s64 counter) override;
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virtual Result DoRollback() override;
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};
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}
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